Ten sheets of paper weigh about 2G. How many grams does 1000 sheets weigh? How many grams does 10000 sheets weigh? How many kilograms?

Ten sheets of paper weigh about 2G. How many grams does 1000 sheets weigh? How many grams does 10000 sheets weigh? How many kilograms?

1000÷10×2=200
10000÷10×2=2000

10000-1000-100-10-1=?

8889

1 yuan = 1 yuan × 1 yuan = 10 Jiao × 10 Jiao = 100 Fen × 100 Fen = 10000 Fen = 100 yuan, the solution is 1 yuan = 100 yuan
What happened?

1 yuan = 1 yuan x 1 yuan means meaningless. It's not right at all. It can only be 1 yuan x 1 = 10 Jiao

10 () is 10000, () 0.001 is 0.11000, one tenth is

10 (1000) is 10000, (100) 0.001 is 0.11000, one tenth is 100